PlaceholderCommand Class

Reference

Definition

Namespace:: Microsoft.VisualStudio.Extensibility.Commands

Assembly:: Microsoft.VisualStudio.Extensibility.dll

Package:: Microsoft.VisualStudio.Extensibility v17.12.2051

Important

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Provides a framework implementation of a command that cannot be executed.

public abstract class PlaceholderCommand : IDisposable, Microsoft.IDisposableObservable, Microsoft.VisualStudio.Extensibility.Commands.ICommand, System.ComponentModel.INotifyPropertyChanged

type PlaceholderCommand = class
    interface ICommand
    interface INotifyPropertyChanged
    interface IDisposableObservable
    interface IDisposable

Public MustInherit Class PlaceholderCommand
Implements ICommand, IDisposable, IDisposableObservable, INotifyPropertyChanged

Inheritance: Object
PlaceholderCommand

Derived: Microsoft.VisualStudio.Extensibility.Commands.DynamicCommandAnchor

Microsoft.VisualStudio.Extensibility.Commands.ExecutableCommandHandler

Implements: IDisposableObservable ICommand INotifyPropertyChanged IDisposable

Constructors

PlaceholderCommand(String)

Initializes a new instance of the PlaceholderCommand class.

Properties

DisplayName	Gets the display name for the command, or `null` if the display name comes from registered metadata.
Flags	Gets the flags associated with the command.
Id	Gets a unique id for this command within its command set.
IsDisposed	Gets a value indicating whether this instance has been disposed.
IsVisible	Gets a value indicating whether this command is visible or invisible.
TooltipText	Gets the tooltip text for the command, or the display name if no tooltip text was provided.

Methods

Dispose()	Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
Dispose(Boolean)	Disposes the command instance.
InitializeAsync(CancellationToken)	Completes async initialization of command instance.
OnPropertyChanged(PropertyChangedEventArgs)	Fires PropertyChanged event.
SetVisibilityState(Nullable<Boolean>)	Set this command as visible, invisible, or `null` to determine the visibility state from registered metadata. Setting this value to null will fall back to using the registered metadata context rule if one was provided.

Events

PropertyChanged

Occurs when a property value changes.

Applies to

通过